Huawei H12-321 問題集

質問 1：
Which statement about wired interface parameters is TRUE?
A. User isolation aims at centralized charging, but cannot improve communication security.
B. APs' wired interfaces can be added to VLANs in tagged and untagged modes.
C. APs" wired interfaces can be added to VLANs only in untagged mode.
D. By default, an AP's wired interface allows all VLANs.
正解：B

質問 2：
As shown in the figure, the WIDS attack detection process, after completing the dynamic blacklist, how does the AP handle different data traffic when it is in the blacklist penalty period?
A. Forward normal data traffic and report attack traffic
B. Forward normal data traffic and discard attack traffic
C. Discard normal data traffic and report attack traffic
D. Drop normal data traffic and discard attack traffic
正解：D

質問 3：
In the WLAN network using the Agile Controller as the admission controller, the following statement about the pre-authentication domain is correct.
A. There are two configuration methods for the pre-authentication domain, one is to call the ACL, and the other is to directly add the exemption rule.
B. The address that needs to be released before the authentication domain is generally an antivirus gateway, firewall, and mail server.
C. If an ACL is used to match the pre-authentication domain, a user ACL is required.
D. The pre-authentication domain is configured in the same way as the post-authentication domain.
正解：A,C

質問 4：
The following figure shows the Mesh configuration process. What are the contents of 5, 7, and 10 respectively?
A. Configure the Mesh whitelist, configure the Mesh template, and reference the Mesh template.
B. Configure Mesh templates, reference Mesh templates, and configure Mesh whitelists.
C. Refer to the Mesh template, configure the Mesh whitelist, and configure the Mesh template.
D. Configure a Mesh whitelist, reference a mesh template, and configure a mesh template.
正解：A

質問 5：
Configure the Option 43 field on the Windows 2003 DHCP Server. For example, the string
030C3139322E3136382E32322E31 indicates 192.168.22.1. Where 03 is a fixed value, 0C is changed to decimal, which is 12, indicating the length of the string of the IP address, the address 192.168.22.1 is 12 characters, 31 is the ASCII value corresponding to 1, 9 is corresponding to 9, and so on, 2E is the point . So what should be the string corresponding to the IP address 32.15.2.14?
A. 030733322E31352E322E3134
B. 030A3033322E3031352E3030322E303134
C. 030A33322E31352E322E3134
D. 030A32332E35312E322E3431
正解：C

質問 6：
As shown in the figure, a point-to-point communication link with a length of 10km, the obstacle height in the link is 12.2m, the distance between the tree and one of the antennas is 4km, and the radius of the Fresnel zone at 4km is calculated. If the signal transmission frequency is 5.8 GHz, refer to the following formula according to the actual situation. What is the minimum installation height of the transmitting and receiving antenna from the ground?
A. 16m
B. 22m
C. 19m
D. 26m
正解：C

質問 7：
If a small AP that can accommodate up to 90 people is deployed with 3 APs, the CAC can be configured on each AP to limit the number of users to 30. If the SSID is hidden, the load balancing between APs can be implemented indirectly.
A. Correct
B. False
正解：A

質問 8：
Which of the following formulas about the Earth curvature is TRUE?

A. (a)
B. (c)
C. (d)
D. (b)
正解：A

質問 9：
An AP detects brute force attacks by checking whether the number of key negotiation failures during the WPA/WPA2-PSK, WAPI-PSK or WEP-Share-Key authentication exceeds the configured threshold.
A. FALSE
B. TRUE
正解：A